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  <title>Changes or sets the current debugging level</title>
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  <div id="layout-content"><div id="function.apd-set-session" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">apd_set_session</h1>
  <p class="verinfo">(PECL apd 0.2-0.4)</p><p class="refpurpose"><span class="refname">apd_set_session</span> &mdash; <span class="dc-title">Changes or sets the current debugging level</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.apd-set-session-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>apd_set_session</strong></span>
    ( <span class="methodparam"><span class="type">int</span> <code class="parameter">$debug_level</code></span>
   ) : <span class="type"><span class="type void">void</span></span></div>

  <p class="para rdfs-comment">
   This can be used to increase or decrease debugging in a different area of 
   your application.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.apd-set-session-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    <dt>
<code class="parameter">
debug_level</code></dt>
<dd>
<p class="para">由加上 <em>XXX_TRACE</em>
常量而形成的整数。</p><p class="para">不建议使用
<strong><code>MEMORY_TRACE</code></strong>。这会很慢且似乎不精确。
<strong><code>ASSIGNMENT_TRACE</code></strong> 还未被实现。</p><p class="para">要打开所有跟踪功能(TIMING, FUNCTIONS, ARGS SUMMARY (比如 strace -c)) 则使用 99 作为值。</p>
</dd>

   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.apd-set-session-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   没有返回值。
  </p>
 </div>

 
 <div class="refsect1 examples" id="refsect1-function.apd-set-session-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-439">
    <p><strong>Example #1 <span class="function"><strong>apd_set_session()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />apd_set_session</span><span style="color: #007700">(</span><span style="color: #0000BB">9</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
    </div>

   </div>
  </p>
 </div>

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